On Jul 26, Bolan Meek wrote: > In beginning maintenance & improvement (a.k.a adoption) > of the xmailtool source, I've wanted to collect all the > '#include <whatever.h>' statements that are common to > several of the source files with a Perl script, as opposed > to a error-vulnerable method of doing it by hand. This should work (untested): cat `find . -name '*.[ch]'` | egrep '^\s+#include <' | sort | uniq -d Chris